adidas Energy Volley Boost 2 - Women's Rise above the net and dominate the match in the adidas Energy Volley Boost 2. SprintWeb upper is durable and flexible. Full-length Boost™ foam midsole provides great energy return. Sprint Plate propulsion plate stabilizing and guiding the foot. Anti-slip liner to help keep your foot in place. High-abrasion adiWEAR rubber outsole.